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Mounjaro weight loss, by the numbers

Not testimonials, not "before and after" photos — the actual SURMOUNT trial data, by dose, so you know what's realistic before you start.

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WHAT THE TRIAL FOUND

In SURMOUNT-1, 72 weeks of tirzepatide produced average weight loss of roughly 16% at the 5mg dose, 21% at 10mg, and 22.5% at the maximum 15mg dose — a clear dose-response relationship, not a fixed outcome.

Source: Jastreboff et al., New England Journal of Medicine, 2022 (SURMOUNT-1). Not medical advice — individual results vary; these are trial averages, not guarantees.

SEC. 02

Results by dose

Dose (72 weeks)
Average body weight change
5mg
−16%
10mg
−21%
15mg (max)
−22.5%
Placebo (for comparison)
−2.4%

SURMOUNT-1 enrolled adults with obesity or overweight plus a weight-related condition, without diabetes. The separate SURMOUNT-5 head-to-head trial found tirzepatide outperformed semaglutide at 72 weeks, roughly −20% vs. −14% body weight — but head-to-head margins can differ from single-arm averages, so treat both figures as trial-specific, not universal.

SEC. 03

What actually affects your result

F—01

Reaching & holding max dose

Trial data shows a clear dose-response curve — people who titrate all the way to 15mg see larger average losses than those who stop lower.

F—02

How long you stay on it

72-week trial data reflects sustained treatment. Stopping early, or large gaps in dosing, generally means less cumulative effect.

F—03

Individual variation

These are averages across hundreds of trial participants — some people lose more, some less. Genetics, starting weight, and adherence all play a role.

SEC. 04

Track your own numbers

T—01

Weight over time

Log your weight alongside every dose and shot — see your own curve next to what the trials predicted, not someone else's.

T—02

Dose & date, together

Because weight loss tracks with dose and time on treatment, the app keeps both on the same timeline automatically.

T—03

Share with your prescriber

A clean export of weight, dose, and adherence — useful context if your results diverge from what you expected.

SEC. 05

Q & A

What is the average weight loss on Mounjaro?Q—01 +
In the SURMOUNT-1 trial, average weight loss at 72 weeks was about 16% of body weight at the 5mg dose, 21% at 10mg, and 22.5% at the maximum 15mg dose. Individual results vary widely around these averages.
How long will it take to lose 20 pounds on Mounjaro?Q—02 +
There's no fixed timeline — it depends on starting weight, dose, and individual response. Trial data tracks percentage of body weight lost over 72 weeks, not pounds-per-week, because the rate varies significantly by person.
Is 2.5mg of Mounjaro enough to lose weight?Q—03 +
2.5mg is a tolerability dose, not a treatment dose — it exists to let your body adjust before stepping up. Meaningful weight loss data comes from the 5mg, 10mg, and 15mg maintenance doses studied in trials.
How to speed up weight loss on Mounjaro?Q—04 +
There's no verified way to accelerate the drug's effect beyond following your prescribed titration schedule. Consistent injection timing, adequate protein intake, and light activity are commonly recommended alongside treatment — ask your prescriber for personalized guidance.
What foods should I avoid on Mounjaro?Q—05 +
No food is strictly forbidden, but many people find high-fat, greasy, or very large meals worsen nausea since the drug slows stomach emptying. Smaller, lower-fat meals are commonly better tolerated.

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